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For the cell: Pt|Hg(l)|Hg(2)Cl(2)(s)|KC...

For the cell:
`Pt|Hg(l)|Hg_(2)Cl_(2)(s)|KCl(1 M)||H^(+)|Q|H_(2)Q|Pt`
`E_(cell) = 0.1239 V` at 298 K, hence, pH of cathodic compartment is:
[Given: `E_(Calomel,Rp)^(@)` = 0.28 V, `E_(Q|H_(2)Q)^(@)` = +0.699 V]

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